201188980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{4457}}^1$

素因数の和:4564

約数の個数: 48

約数和(自身を含む): 441128016

約数和(自身を除く): 239939036

約数列:

[1, 2, 4, 5, 10, 20, 37, 61, 74, 122, 148, 185, 244, 305, 370, 610, 740, 1220, 2257, 4457, 4514, 8914, 9028, 11285, 17828, 22285, 22570, 44570, 45140, 89140, 164909, 271877, 329818, 543754, 659636, 824545, 1087508, 1359385, 1649090, 2718770, 3298180, 5437540, 10059449, 20118898, 40237796, 50297245, 100594490, 201188980]

約数ペア:

[(1, 201188980), (2, 100594490), (4, 50297245), (5, 40237796), (10, 20118898), (20, 10059449), (37, 5437540), (61, 3298180), (74, 2718770), (122, 1649090), (148, 1359385), (185, 1087508), (244, 824545), (305, 659636), (370, 543754), (610, 329818), (740, 271877), (1220, 164909), (2257, 89140), (4457, 45140), (4514, 44570), (8914, 22570), (9028, 22285), (11285, 17828)]